Are step last lost grass short vowel sound?

Let's break down the sounds in "step last lost grass" to see if they contain short vowel sounds:

* Step: The vowel sound in "step" is a short "e" sound, which is indeed a short vowel sound.

* Last: The vowel sound in "last" is a long "a" sound, making it a long vowel sound.

* Lost: The vowel sound in "lost" is a long "o" sound, making it a long vowel sound.

* Grass: The vowel sound in "grass" is a short "a" sound, which is a short vowel sound.

Therefore, "step" and "grass" contain short vowel sounds, while "last" and "lost" contain long vowel sounds.